Stock-Based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 2,023,000	$ 2,275,000	$ 5,459,000	$ 6,354,000
Related tax benefit	(761,000)	(855,000)	(2,053,000)	(2,389,000)
Compensation expense, net of tax	1,262,000	1,420,000	3,406,000	3,965,000
Unrecognized compensation cost	17,300,000		17,300,000
Unrecognized compensation cost, period for recognition (in years)			2 years 6 months 0 days
Stock Options and SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	765,000	1,062,000	2,305,000	3,185,000
Stock Options and SARs [Abstract]
Award vesting period (in years)			4 years
Percentage of awards vesting each year (in hundredths)			25.00%
Award vesting rights			each of the first four years following the date of grant
Award expiration period (in years)			7Y
Share Based Compensation Stock Options and SARs Outstanding [Roll Forward]
Beginning Balance (in shares)			4,004,257
Exercised (in shares)			(1,256,883)
Forfeited (in shares)			(700,787)
Ending Balance (in shares)	2,046,587		2,046,587
Vested or expected to vest (in shares)	1,884,104		1,884,104
Exercisable (in shares)	1,234,173		1,234,173
Stock Options and SARs, Weighted Average Exercise Price [Abstract]
Beginning Balance (in dollars per share)			$ 16.10
Exercised (in dollars per share)	$ 14.59		$ 14.59
Forfeited (in dollars per share)	$ 16.74		$ 16.74
Ending Balance (in dollars per share)	$ 16.81		$ 16.81
Vested or expected to vest (in dollars per share)	$ 16.88		$ 16.88
Exercisable (in dollars per share)	$ 17.34		$ 17.34
Stock Options and SARs, Weighted Average Remaining Contractual Term (years) [Abstract]
Ending Balance (in years)	3.3		3.3
Vested And Expected To Vest (in years)	3.2		3.2
Exercisable (in years)	2.4		2.4
Stock Options and SARs, Aggregate Intrinsic Value [Abstract]
Ending Balance	14,433,000		14,433,000
Vested And Expected To Vest	13,154,000		13,154,000
Exercisable	8,042,000		8,042,000
Aggregate intrinsic value			5,700,000	4,200,000
Nonvested Stock [Abstract]
Award vesting period (in years)			4 years
Non-vested Stock Options And SARs [Member]
Nonvested Stock Option Awards and SARs, Outstanding [Roll Forward]
Non-vested (in shares)			1,794,350
Vested (in shares)			(628,961)
Forfeited (in shares)			(352,975)
Non-vested (in shares)	812,414		812,414
Nonvested Stock Option Awards and SARs, Weighted Average Grant Date Fair Value [Abstract]
Non-vested (in dollars per share)			$ 6.72
Vested (in dollars per share)			$ 6.22
Forfeited (in dollars per share)			$ 6.28
Non-vested (in dollars per share)	$ 7.30		$ 7.30
Non-vested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	774,000	693,000	2,229,000	1,787,000
Stock Options and SARs [Abstract]
Weighted average grant date fair value	$ 16.19		$ 16.19
Nonvested Stock [Abstract]
Nonvested stock conversion ratio			one for one
Nonvested stock, outstanding [Roll Forward]
Beginning Balance (in shares)			376,965
Granted (in shares)			493,665
Vested (in shares)			(136,060)
Forfeited (in shares)			(86,081)
Ending Balance (in shares)	648,489		648,489
Nonvested Stock, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning Balance (in dollars per share)			$ 16.68
Granted (in dollars per share)			$ 16.10
Vested (in dollars per share)			$ 16.16
Forfeited (in dollars per share)			$ 17.89
Ending Balance (in dollars per share)	$ 16.19		$ 16.19
Aggregate intrinsic value			2,200,000
Number of shares issued (in shares)			120,105
Performance Shares [Abstract]
Target Shares Granted (in shares)			493,665
Target Shares Forfeited (in shares)			(86,081)
Target Shares Outstanding (in shares)	648,489		648,489
Weighted Average Grant Date Fair Value per Share (in dollars per share)	$ 16.19		$ 16.19
Number of shares vested (in shares)			(136,060)
Aggregate intrinsic value			2,200,000
Number of shares issued (in shares)			120,105
Non-vested Stock Options [Member] | Minimum [Member]
Stock Options and SARs [Abstract]
Award vesting period (in years)			1 year
Nonvested Stock [Abstract]
Award vesting period (in years)			1 year
Non-vested Stock Options [Member] | Maximum [Member]
Stock Options and SARs [Abstract]
Award vesting period (in years)			4 years
Nonvested Stock [Abstract]
Award vesting period (in years)			4 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	484,000	520,000	925,000	1,382,000
Nonvested stock, outstanding [Roll Forward]
Beginning Balance (in shares)			171,225
Granted (in shares)			243,100
Vested (in shares)			40,314
Forfeited (in shares)			(59,425)
Ending Balance (in shares)	354,900		354,900
Nonvested Stock, Weighted Average Grant Date Fair Value [Roll Forward]
Aggregate intrinsic value			700,000
Number of shares issued (in shares)			29,650
Performance Shares [Abstract]
Number of shares issuable, minimum (in shares)			0
Multiple of the number of granted shares outstanding for issuable shares			2
Performance cycle (in years)			3 years
Target Shares Granted (in shares)			243,100
Target Shares Forfeited (in shares)			(59,425)
Target Shares Outstanding (in shares)	354,900		354,900
Number of shares vested (in shares)			40,314
Aggregate intrinsic value			700,000
Number of shares issued (in shares)			29,650
Tax liability paid by recipient of award	$ 200,000		$ 200,000
SARs [Member]
Significant weighted average assumptions [Abstract]
Expected volatility, minimum (in hundredths)				63.40%
Expected volatility, maximum (in hundredths)				63.70%
Weighted average volatility (in hundredths)				63.60%
Risk-free rate, minimum (in hundredths)				1.50%
Risk-free rate, maximum (in hundredths)				1.90%
Expected life (in years)				4 years 3 months 18 days
Stock Options and SARs [Abstract]
Weighted average grant date fair value		$ 8.69		$ 8.69
Nonvested Stock, Weighted Average Grant Date Fair Value [Roll Forward]
Ending Balance (in dollars per share)		$ 8.69		$ 8.69
Performance Shares [Abstract]
Weighted Average Grant Date Fair Value per Share (in dollars per share)		$ 8.69		$ 8.69
SARs [Member] | Minimum [Member]
Significant weighted average assumptions [Abstract]
Expected dividend yield (in hundredths)				1.60%
SARs [Member] | Maximum [Member]
Significant weighted average assumptions [Abstract]
Expected dividend yield (in hundredths)				1.90%
Stock Options [Member]
Stock Options and SARs [Abstract]
Award expiration period (in years)			10Y
Performance Share Grant 2010 [Member]
Stock Options and SARs [Abstract]
Weighted average grant date fair value	$ 19.75		$ 19.75
Nonvested stock, outstanding [Roll Forward]
Beginning Balance (in shares)			107,000
Forfeited (in shares)			(30,000)
Ending Balance (in shares)	77,000		77,000
Nonvested Stock, Weighted Average Grant Date Fair Value [Roll Forward]
Ending Balance (in dollars per share)	$ 19.75		$ 19.75
Performance Shares [Abstract]
Target Shares Forfeited (in shares)			(30,000)
Target Shares Outstanding (in shares)	77,000		77,000
Weighted Average Grant Date Fair Value per Share (in dollars per share)	$ 19.75		$ 19.75
Performance Share Grant 2011 [Member]
Stock Options and SARs [Abstract]
Weighted average grant date fair value	$ 25.00		$ 25.00
Nonvested stock, outstanding [Roll Forward]
Beginning Balance (in shares)			64,225
Forfeited (in shares)			(24,425)
Ending Balance (in shares)	39,800		39,800
Nonvested Stock, Weighted Average Grant Date Fair Value [Roll Forward]
Ending Balance (in dollars per share)	$ 25.00		$ 25.00
Performance Shares [Abstract]
Target Shares Forfeited (in shares)			(24,425)
Target Shares Outstanding (in shares)	39,800		39,800
Weighted Average Grant Date Fair Value per Share (in dollars per share)	$ 25.00		$ 25.00
Performance Share Grant 2012 [Member]
Stock Options and SARs [Abstract]
Weighted average grant date fair value	$ 18.04		$ 18.04
Nonvested stock, outstanding [Roll Forward]
Granted (in shares)			243,100
Forfeited (in shares)			(5,000)
Ending Balance (in shares)	238,100		238,100
Nonvested Stock, Weighted Average Grant Date Fair Value [Roll Forward]
Ending Balance (in dollars per share)	$ 18.04		$ 18.04
Performance Shares [Abstract]
Target Shares Granted (in shares)			243,100
Target Shares Forfeited (in shares)			(5,000)
Target Shares Outstanding (in shares)	238,100		238,100
Weighted Average Grant Date Fair Value per Share (in dollars per share)	$ 18.04		$ 18.04
2001 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance upon exercise of awards	12,375,000		12,375,000
2008 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance upon exercise of awards	4,550,000		4,550,000